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This is the new version v2 of the Grove - Base Shield. This 2 version focuses on the simplicity of the interface and convenience of operation, making it even easier to use for newbies.
Seeed standardized all the connectors into 4 pins (Signal 1,Singal 2,VCC and GND) 2mm connectors, which simplify the wiring of electronics projects.
The 4pins buckled connectors also make the wiring situation more stable. We build all kinds of Twigs to match up with Stem, still don't you need to worry about the compatibleness between stem and your existing Electronic Bricks.
We have many kinks of converter cables(still increasing) to deal with the the compatibleness.This is very similar in fashion to an Arduino shield board, and in fact is used as such with our Seeeduino or Mega board.In v1.0b, we move in the analog connectors a little so that it will fit the higher power connector and USB connector.
This new version of the Grove Base Shield comes with a switch for selecting VCC power between 5V and 3.3V so you can safely use this shield with 3.3V boards when switched to 3.3V.
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